87428740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89213}}^1$

素因数の和:89236

約数の個数: 36

約数和(自身を含む): 213578316

約数和(自身を除く): 126149576

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 89213, 178426, 356852, 446065, 624491, 892130, 1248982, 1784260, 2497964, 3122455, 4371437, 6244910, 8742874, 12489820, 17485748, 21857185, 43714370, 87428740]

約数ペア:

[(1, 87428740), (2, 43714370), (4, 21857185), (5, 17485748), (7, 12489820), (10, 8742874), (14, 6244910), (20, 4371437), (28, 3122455), (35, 2497964), (49, 1784260), (70, 1248982), (98, 892130), (140, 624491), (196, 446065), (245, 356852), (490, 178426), (980, 89213)]